USN-2201-1: Linux kernel (Saucy HWE) vulnerability

Ubuntu Security Notice USN-2201-1

linux-lts-saucy vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

Ubuntu 12.04 LTS

Summary

The system could be made to crash or run programs as an administrator.

Software description

linux-lts-saucy
- Linux hardware enablement kernel from Saucy

Details

A flaw was discovered in the Linux kernel's pseudo tty (pty) device. Anunprivileged user could exploit this flaw to cause a denial of service(system crash) or potentially gain administrator privileges.

Update instructions

The problem can be corrected by updating your system to the following
package version: